const a = [] // #001
const b = a  // #001
b.push(1)



function test(preson) {
    preson.age = 26
    preson = {
        name: 'yy',
        age: 30
    }

    return preson
}

const p1 = {
    name: 'ccc',
    age: 25
}

const p2 = test(p1)

